Source Code Name Case count Share of cases (%)
OUTPAT OUTPAT_ICD10(Q998) Other specified chromosome abnormalities 102
OUTPAT OUTPAT_ICD10(Q950) Balanced translocation and insertion in normal individual 94
OUTPAT OUTPAT_ICD10(Q909) Down's syndrome, unspecified 76
OUTPAT OUTPAT_ICD10(Q980) Klinefelter's syndrome karyotype 47,XXY 70
OUTPAT OUTPAT_ICD10(Q900) Trisomy 21, meiotic nondisjunction 62
INPAT INPAT_ICD10(Q909) Down's syndrome, unspecified 56
INPAT INPAT_ICD10(Q900) Trisomy 21, meiotic nondisjunction 43
OUTPAT OUTPAT_ICD10(Q960) Karyotype 45,X 43
OUTPAT OUTPAT_ICD10(Q938) Other deletions from the autosomes 42
OUTPAT OUTPAT_ICD10(Q935) Other deletions of part of a chromosome 34
OUTPAT OUTPAT_ICD10(Q984) Klinefelter's syndrome, unspecified 34
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(Q90) Down's syndrome. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 32
INPAT INPAT_ICD10(Q998) Other specified chromosome abnormalities 31
OUTPAT OUTPAT_ICD10(Q969) Turner's syndrome, unspecified 28
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(Q909) Down's syndrome, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 28
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(Q998) Other specified chromosome abnormalities. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 27
OUTPAT OUTPAT_ICD10(Q992) Fragile X chromosome 26
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(Q980) Klinefelter's syndrome karyotype 47,XXY. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 25
OUTPAT OUTPAT_ICD10(Q963) Mosaicism, 45,X/46,XX or XY 24
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(Q984) Klinefelter's syndrome, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 22
OUTPAT OUTPAT_ICD10(Q968) Other variants of Turner's syndrome 19
OUTPAT OUTPAT_ICD10(Q985) Karyotype 47,XYY 19
INPAT INPAT_ICD10(Q960) Karyotype 45,X 18
INPAT INPAT_ICD10(Q980) Klinefelter's syndrome karyotype 47,XXY 18
OUTPAT OUTPAT_ICD10(Q951) Chromosome inversion in normal individual 16
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(Q900) Trisomy 21, meiotic nondisjunction. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 16
INPAT INPAT_ICD10(Q969) Turner's syndrome, unspecified 14
OUTPAT OUTPAT_ICD10(Q988) Other specified sex chromosome abnormalities, male phenotype 14
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(Q992) Fragile X chromosome. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 14
INPAT INPAT_ICD10(Q935) Other deletions of part of a chromosome 13
INPAT INPAT_ICD10(Q938) Other deletions from the autosomes 13
OUTPAT OUTPAT_ICD10(Q964) Mosaicism, 45,X/other cell line(s) with abnormal sex chromosome 13
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(Q938) Other deletions from the autosomes. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 13
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(Q96) Turner's syndrome. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 13
INPAT INPAT_ICD10(Q992) Fragile X chromosome 12
OUTPAT OUTPAT_ICD10(Q970) Karyotype 47,XXX 12
DEATH DEATH_ICD10(Q909) Down's syndrome, unspecified 11
INPAT INPAT_ICD10(Q984) Klinefelter's syndrome, unspecified 11
OUTPAT OUTPAT_ICD10(Q958) Other balanced rearrangements and structural markers 11
OUTPAT OUTPAT_ICD10(Q986) Male with structurally abnormal sex chromosome 11
INPAT INPAT_ICD10(Q950) Balanced translocation and insertion in normal individual 10
OUTPAT OUTPAT_ICD10(Q962) Karyotype 46,X with abnormal sex chromosome, except iso (Xq) 10
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(Q935) Other deletions of part of a chromosome. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 10
OUTPAT OUTPAT_ICD10(Q901) Trisomy 21, mosaicism (mitotic nondisjunction) 9
OUTPAT OUTPAT_ICD10(Q923) Minor partial trisomy 9
OUTPAT OUTPAT_ICD10(Q928) Other specified trisomies and partial trisomies of autosomes 9
OUTPAT OUTPAT_ICD10(Q972) Mosaicism, lines with various numbers of X chromosomes 9
OUTPAT OUTPAT_ICD10(Q978) Other specified sex chromosome abnormalities, female phenotype 9
OUTPAT OUTPAT_ICD10(Q999) Chromosomal abnormality, unspecified 9
INPAT INPAT_ICD10(Q963) Mosaicism, 45,X/46,XX or XY 8
OUTPAT OUTPAT_ICD10(Q90) Down's syndrome 8
OUTPAT OUTPAT_ICD10(Q910) Trisomy 18, meiotic nondisjunction 8
OUTPAT OUTPAT_ICD10(Q930) Whole chromosome monosomy, meiotic nondisjunction 8
OUTPAT OUTPAT_ICD10(Q952) Balanced autosomal rearrangement in abnormal individual 8
INPAT INPAT_ICD10(Q970) Karyotype 47,XXX 7
INPAT INPAT_ICD10(Q985) Karyotype 47,XYY 7
OUTPAT OUTPAT_ICD10(Q902) Trisomy 21, translocation 7
OUTPAT OUTPAT_ICD10(Q926) Extra marker chromosomes 7
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(Q960) Karyotype 45,X. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 7
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(Q969) Turner's syndrome, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 7
OUTPAT OUTPAT_ICD10(Q911) Trisomy 18, mosaicism (mitotic nondisjunction) 6
OUTPAT OUTPAT_ICD10(Q925) Duplications with other complex rearrangements 6
OUTPAT OUTPAT_ICD10(Q96) Turner's syndrome 6
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(Q963) Mosaicism, 45,X/46,XX or XY. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 6
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(Q985) Karyotype 47,XYY. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 6
INPAT INPAT_ICD10(Q901) Trisomy 21, mosaicism (mitotic nondisjunction) 5
INPAT INPAT_ICD10(Q902) Trisomy 21, translocation 5
INPAT INPAT_ICD10(Q913) Edwards syndrome, unspecified 5
INPAT INPAT_ICD10(Q964) Mosaicism, 45,X/other cell line(s) with abnormal sex chromosome 5
INPAT INPAT_ICD10(Q999) Chromosomal abnormality, unspecified 5
OUTPAT OUTPAT_ICD10(Q912) Trisomy 18, translocation 5
OUTPAT OUTPAT_ICD10(Q981) Klinefelter's syndrome, male with more than two X chromosomes 5
OUTPAT OUTPAT_ICD10(Q989) Sex chromosome abnormality, male phenotype, unspecified 5
OUTPAT OUTPAT_ICD10(Q990) Chimera 46,XX/46,XY 5
OUTPAT OUTPAT_ICD10(Q991) 46,XX true hermaphrodite 5